DV19 Pointing System Issues and Tracking


TIP Last Update: JeffMangum - 15 December 2011

Issues Tracked

  • VERTEX-622: NA Antenna Antenna Acceptance Tests -- Antenna 9019 (DV19) Acceptance Tests -- Pointing
    • Acceptance testing.

-- JeffMangum - 2011-12-15

Test Matrix Progress Tracking

Tracking Performance

(todo - todo done - done )

 +
State Item Comment  
15 Minute Tracking Test
 
  
  

All-Sky Pointing

(todo - todo done - done )

 +
State Item Comment  
Day 1
Completed 2011-12-16
  +  
Day 2
Completed 2011-12-17
  +  
Day 3
Completed 2011-12-18
  +  
Day 4
Completed 2011-12-19
  +  
Day 5
Completed 2011-12-20
  +  
Day 6
Completed 2011-12-21
  +  
Day 7
Completed 2011-12-22
  +  
Day 8
Completed 2011-12-30
  +  
Day 9
Completed 2011-12-31
  +  
Day 10
Completed 2012-01-01
  +  
Day 11
Completed 2012-01-02
  +  
Day 12
Completed 2012-01-07
  +  
Day 13
Completed 2012-01-08
  +  
Day 14
 
  
  

Offset Pointing

(todo - todo done - done )

 +
State Item Comment  
(Az,El) = (0,30)
Completed 2011-12-20 at (7,30)
  +  
(Az,El) = (0,45)
Completed 2011-12-31 at (350,46)
  +  
(Az,El) = (0,60)
Completed 2011-12-22 at (18,57)
  +  
(Az,El) = (0,75)
Completed 2011-12-31 at (336,72)
  +  
(Az,El) = (60,30)
Completed 2011-12-20 at (68,35)
  +  
(Az,El) = (60,45)
Completed 2011-12-19 at (64,50)
Completed again 2011-12-19 at (72,41)
  +  
(Az,El) = (60,60)
Completed 2011-12-17 at (60,60)
  +  
(Az,El) = (60,75)
Completed 2011-12-18 at (40,70)
  +  
(Az,El) = (120,30)
Completed 2011-12-16 at (127,36)
  +  
(Az,El) = (120,45)
Completed 2011-12-18 at (112,43)
  +  
(Az,El) = (120,60)
Completed 2011-12-30 at (132,60)
  +  
(Az,El) = (120,75)
Completed 2012-01-01 at (107,81)
  +  
(Az,El) = (180,30)
Completed 2011-12-19 at (160,26)
  +  
(Az,El) = (180,45)
Completed 2011-12-22 at (182,38)
  +  
(Az,El) = (180,60)
Attempted 2011-12-22 at (178,55); Star 1 offset +1 arcsec in El due to metrology stiction;
Completed 2011-12-31 at (178,57)
  +  
(Az,El) = (180,75)
Attempted 2012-01-02 at (181,75); Metrology Az stiction causing ~1 arcsec offset between two stars in group.
  +  
(Az,El) = (240,30)
Completed 2011-12-19 at (230,35)
Completed again 2011-12-19 at (230,26)
  +  
(Az,El) = (240,45)
Completed 2012-01-01 at (241,39)
  +  
(Az,El) = (240,60)
Completed 2012-01-02 at (242,61)
  +  
(Az,El) = (240,75)
Completed 2011-12-20 at (250,75)
  +  
(Az,El) = (300,30)
Completed 2011-12-19 at (303,36)
  +  
(Az,El) = (300,45)
Completed 2012-01-01 at (290,38)
  +  
(Az,El) = (300,60)
Completed 2011-12-30 at (299,58)
  +  
(Az,El) = (300,75)
Completed 2011-12-31 at (300,70)
  
  

-- JeffMangum - 2011-12-15

Pointing Model Coefficients

All units arcsec.

Date Pad IA IE CA NPAE AN AW HECE HESE
15 December 2011
SEF1
-330.14
+61.28
+53.06
-23.75
+7.81
+70.74
-8.61
-38.69

Date Pad HACA HASA HACA2 HASA2 HECA2 HESA2 HECA3 HESA3 HACA3 HASA3
15 December 2011
SEF1
+1.40
-0.27
+1.13
-1.17
-0.68
-0.27
+0.68
-0.63
+0.08
-0.01

-- JeffMangum - 2011-12-15
Topic revision: r13 - 2012-01-08, JeffMangum
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